Fifty-seven years later, the enigmatic architects disappeared, leaving behind for the people of New York the Old York Cipher—a puzzle laid into the shining city they constructed, at the end of which was promised a treasure beyond all imagining. By the present day, however, the puzzle has never been solved, and the greatest mystery of the modern world is little more than a tourist attraction.Tess and Theo Biedermann and their friend Jaime Cruz live in a Morningstarr apartment house—until a real estate developer announces that the city has agreed to sell him the five remaining Morningstarr buildings. Their likely destruction means the end of a dream long-held by the people of New York. And if Tess, Theo and Jaime want to save their home, they have to prove that the Old York Cipher is real. Which means they have to solve it.

    In the mirrors that line its grand hallways, which once belonged to a princess. In those that reflect the elegant rooms, now filled with sick children. It is her secret.One morning, when Emmaline climbs over the wall of the hospital’s abandoned gardens, she discovers something incredible: a white horse with broken wings has left the mirror-world and entered her own. Tucked into the garden’s once-gleaming sundial, Emmaline finds a letter from the Horse Lord. He is hiding the wounded white horse, named Foxfire, from a dark and sinister force—a Black Horse who hunts by colorless moonlight. If Emmaline is to keep the Black Horse from finding her new friend, she must collect colorful objects with which to blind him. But where can Emmaline find color when her world is filled with gray?

    Please do not share this invitation or discuss it with anyone.In New York Times bestselling author Dan Gutman's all-new series, which blends fascinating real history with an action-packed and hilarious adventure, four very different kids are picked by a mysterious billionaire to travel through time and photograph some of history's most important events. This time, the four friends are headed to 1863 to catch Abraham Lincoln delivering his famous Gettysburg Address. They'll have to work together to ask the right questions, meet the right people, and capture the right moment. And most important—not get caught! Back matter separating fact from fiction and real black-and-white photographs make Flashback Four the perfect mix of true history and uproarious fun.

    One day as she delivers lace to the palace, she is almost trampled by a crowd of courtiers -- only to be rescued by Marie Antoinette. Before Isabelle can believe it, she has a new job -- companion to the queen's daughter. Isabelle is given a fashionable name, fashionable dresses -- a new identity. At home she plies her needle under her grandmother's disapproving eye. At the palace she is playmate to a princess.Thrown into a world of luxury, Isabelle is living a fairy-tale life. But this facade begins to crumble when rumors of starvation in the countryside lead to whispers of revolution. How can Isabelle reconcile the ugly things she hears in the town with the kind family she knows in the palace? And which side is she truly on? Inspired by an actual friendship between the French princess and a commoner who became her companion, Kimberly Brubaker Bradley offers a vivid portrait of life inside the palace of Versailles -- and a touching tale of two friends divided by class and the hunger for equality and freedom that fueled the French Revolution.

    The black hole swallows everything he touches, which is challenging to say the least—but also turns out to be a convenient way to get rid of those items that Stella doesn't want around. Soon the ugly sweaters her aunt has made for her all disappear within the black hole, as does the smelly class hamster she's taking care of, and most important, all the reminders of her dead father that are just too painful to have around.It's not until Stella, her younger brother, Cosmo, the family puppy, and even the bathroom tub all get swallowed up by the black hole that Stella comes to realize she has been letting her own grief consume her. And that's not the only thing she realizes as she attempts to get back home.

    With a large hump on his back, a mysterious past, and a tendency to talk to animals, he is often mocked and abused by the other kids in his town. Until the arrival of a shadowy pilgrim named Secondus. Impressed with Boy’s climbing and jumping abilities, Secondus engages Boy as his servant, pulling him into an expedition across Europe to gather the seven precious relics of Saint Peter. Boy quickly realizes this journey is not an innocent one. They are stealing the relics, and gaining dangerous enemies in the process. But Boy is determined to see this pilgrimage through until the end—for what if St. Peter can make Boy’s hump go away?This compelling, action-packed tale is full of bravery and daring, stars a terrific cast of secondary characters, and features an unlikely multigenerational friendship at its heart. Memorable and haunting, Catherine Gilbert Murdock’s epic medieval adventure is just right for readers of Sara Pennypacker’s Pax, Adam Gidwitz’s The Inquisitor’s Tale, and Pam Muñoz Ryan’s Echo.Features a map and black-and-white art throughout.

    But she soon learns that this home isn't like any of the others - especially when she unearths the secret of the missing-and-presumed-dead billionaire, Gabriel Winterborne, who is neither missing nor dead but is actually living in a basement lair, sharpening his swords and looking for vengeance.Now that April knows Gabriel Winterborne is alive, she must turn to the other orphans to keep him that way. As a looming new danger threatens to take Gabriel down once and for all, they must use their individual talents to find a way to make sure this home for misfits isn't lost to them for ever.Because at the Winterborne Home, nothing is what it seems, no one is who they say they are and nowhere is safe. And now a ragtag group of orphans must unravel the riddle of a missing heir, a supposed phantom and a secret key, all without alerting the adults of Winterborne House that trouble is afoot.

    There’s plenty to explore in her grand home, although she must take care to never be seen. None of the rich folk upstairs know that Serafina exists; she and her pa, the estate’s maintenance man, have secretly lived in the basement for as long as Serafina can remember.But when children at the estate start disappearing, only Serafina knows who the culprit is: a terrifying man in a black cloak who stalks Biltmore’s corridors at night. Following her own harrowing escape, Serafina risks everything by joining forces with Braeden Vanderbilt, the young nephew of the Biltmore’s owners. Braeden and Serafina must uncover the Man in the Black Cloak’s true identity... before all of the children vanish one by one.Serafina’s hunt leads her into the very forest that she has been taught to fear. There she discovers a forgotten legacy of magic, one that is bound to her own identity. In order to save the children of Biltmore, Serafina must seek the answers that will unlock the puzzle of her past.

    For Iris, that means her story starts with Lark. Iris has always been the grounded, capable, and rational one; Lark has been inventive, dreamy, and brilliant—and from their first moments in the world together, they’ve never left each other’s side. Everyone around them realized early on what the two sisters already knew: they had better outcomes when they were together.When fifth grade arrives, however, it is decided that Iris and Lark should be split into different classrooms, and something breaks in them both. Iris is no longer so confident; Lark retreats into herself as she deals with challenges at school. And at the same time, something strange is happening in the city around them, things both great and small going missing without a trace. As Iris begins to understand that anything can be lost in the blink of an eye, she decides it’s up to her to find a way to keep her sister safe.

    Upon arrival, Elizabeth quickly discovers that Winterhouse has many charms―most notably its massive library. It’s not long before she locates a magical book of puzzles that will unlock a mystery involving Norbridge and his sinister family. But the deeper she delves into the hotel’s secrets, the more Elizabeth starts to realize that she is somehow connected to Winterhouse. As fate would have it, Elizabeth is the only person who can break the hotel’s curse and solve the mystery. But will it be at the cost of losing the people she has come to care for, and even Winterhouse itself?Mystery, adventure, and beautiful writing combine in this exciting debut richly set in a hotel full of secrets.

    His parents are both scientists and they usually have all the answers. Dad mutters something about Albie's mum being alive and with them in a parallel universe. So Albie finds a box, his mum's computer and a rotting banana, and sends himself through time and space to find her...

    When his family moves to the Texas Hill Country, though, Peter finds a tranquil, natural valley where he can, at last, hear himself think. There, he meets a girl his age: Annie Blythe. Annie tells Peter she’s a “wish girl.” But Annie isn’t just any wish girl; she’s a “Make-A-Wish Girl.” And in two weeks she will begin a dangerous treatment to try and stop her cancer from spreading. Left alone, the disease will kill her. But the treatment may cause serious, lasting damage to her brain.  Annie and Peter hatch a plan to escape into the valley, which they begin to think is magical. But the pair soon discovers that the valley—and life—may have other plans for them. And sometimes wishes come true in ways they would never expect.

    Suddenly the sky peels away like fabric and from the gaping hole fall two curious-looking children. Peter Schock and Kate Dyer have fallen straight from the twenty-first century, thanks to an experiment with an antigravity machine. Before Gideon and the children have a chance to gather their wits, the Tar Man takes off with the machine -- and Kate and Peter's only chance of getting home. Soon Gideon, Kate, and Peter are swept into a journey through eighteenth-century London and form a bond that, they hope, will stand strong in the face of unfathomable treachery.

    And if you are, well, I suppose you're the new me...When shy Ivy's troublemaking twin Scarlet vanishes from Rookwood boarding school, Ivy is invited to "take her place." But when Ivy arrives, she discovers the school's true intention; she has to pretend to be Scarlet. She must think like Scarlet, act like Scarlet, become Scarlet. What on earth happened to the real Scarlet, and why is the school trying to keep it a secret?Luckily for Ivy, Scarlet isn't about to disappear without a fight. She's left pieces of her journal carefully hidden all over the school for Ivy to find. Ivy's going to figure out what happened to Scarlet. She's got to.But the staff of Rookwood is always watching, and they'll do anything to keep their secrets buried...

    A boy with brown sugar eyes. And then , a mysterious letter.Felicity's glamorous parents have a secret. When they leave her with distant relatives in Maine, far away from the battles of WWII, Felicity hopes they won't be gone for long. Her new Uncle Gideon hides things. Her Aunt Miami is star-crossed. And Derek, a kid her age, refuses to leave his room. But Felicity needs Derek's help. Gideon is getting coded letters from Felicity's parents, and she's sure they're in trouble. Can Felicity crack the code, heal the family and save her parents, all while surviving her first crush? It's a tall order for a small girl, but Felicity is up for the challenge.